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WTB Neptune apex pH probe
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10-23-2018, 05:17 AM
smokinreefer
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Join Date: Aug 2001
Location: burnaby,bc,canada
Posts: 1,441
Hey thanks for the info.
Thought these were all proprietary.
I just want to add one to use on my calcium reactor.
Don't think I need lab grade... Off to google I go!
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